Irawan, Andhi. “Analisis Customer Relationship Management (CRM) Terhadap Customer Relationship Quality (CRQ) Dan Customer Lifetime Value (CLV) Rumah Zakat Di Indonesia”. At-Taradhi: Jurnal Studi Ekonomi 10, no. 1 (July 31, 2019): 99–126. Accessed June 23, 2026. http://jurnal.uin-antasari.ac.id/index.php/taradhi/article/view/2802.